What's the difference between a PN and a PNA transistor? When used as
a switch, can a PN be used as a substitute for the PNA? Thanks.
-Ben K1NT
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I have done both the N0SS Version of the K6XX CW tuning indicator as well as
the KD1JV Digital Dial/Frequency Counter. Both are good starting projects for
SMT as they don't have a large parts count. The N0SS instructions for the CW
tuning indicator are great for a beginner at SMT. I used a
I've been playing around with the filter setup in my
K2 S/N 4429 to get them to my liking.
Has anyone had any luck getting the difference in
pitch between CW and CW reverse to a reasonable level.
I'd really like it to be within 10Hz if possible.
From my understanding the factor which determines
Well after about 5-6 months of building, K2 # 4429 was used for its first on
the air contact today.
I had also only had 5 cw contacts ever before this, all around 10 years ago, so
it was pretty well new for me too. All went well. I didn't get perfect copy,
but I was much more relaxed than I
I need to calibrate the reference oscillator in my K2.
Don't have any test equipment so I'll need to do it
against WWV at 10 MHZ using the N6KR method.
I'm a little confused as to how to zero beat the WWV
carrier as it instructs me to. The instructions say
to zero beat the carrier precisely, or
Hello all,
I completed the transmitter alignment on K2 #4429 recently. In checking the
power output on all the bands I found that I can indeed get just over 10w on
10m at 28.2 MHz (the frequency used to peak the bandpass filters) as long as I
am using a power supply. Using a battery, I had
John W2XS, I have been wondering about a balanced L
network auto tuner for some time now. No one is
making one that I know of at this time. Like you, I
thought it would be great for the Elecraft guys to
produce a kit for it.
And Don K7FJ, I would be very interested in following
your progress in
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